<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://unpkg.com/vue@next"></script>
</head>

<body>
    <div id="app">
        <!-- <div v-for="(ele,index) in arr">
            {{ele}}---{{index}}
        </div>
        <div v-for="(ele,key) in obj">
            {{ele}}---{{key}}
        </div> -->
        <div v-for="obj in newArr">
            <div v-for="item in obj">
                {{item}}
            </div>
        </div>
        <div v-for="obj in newArr">
            {{obj.name}}
        </div>
        <button @click="handleClick">点击</button>
    </div>
</body>
<script>
    let vm = {
        data () {
            return {
                msg: 'GalaxySa',
                arr: ['a', 'b', 'c'],
                newArr: [{ name: 'GalaxySa' }, { name: 'SliverTradin' }, { name: 'FoggySea' }],
                obj: {
                    name: 'GalaxySa',
                    age: 18
                }
            }
        },
        methods: {
            handleClick () {
                this.arr = this.arr.filter(ele => ele == 'a')
            }
        }
    }
    Vue.createApp(vm).mount('#app')
</script>

</html>